EZ Digest There are many different therapies that have helped many people with "mental problems", ranging from ADD/ADHD/Autism to depression, and even schizophrenia. Some (such as EEG Biofeedback (aka Neurofeedback (NFB)) or End Point Titration (EPT) or Hyperbaric (oxygen tanks), etc, that now have inexpensive alternates are not included. Google these "names" if info is desired on them.